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Tuesday, October 7, 2014

Temperature Measurement Fails

The following diagram illustrate temperature measurement,


where  T  is the total amount of energy distributed among  N  atoms.  When thermal equilibrium is reached with another body of  n  atoms,  we have a measure,

K=T+ToN+n

obviously,

K=T+ToN+nTN

When   T  is large or  N  is large then

T+ToN+nTN

but when  T  is small or  N  is small, the measurement fails.